When you want to design LAN topology, you should consider this switch layer. Cisco switch layer  or the others switch brand should pay attention about this. The hierarchical design model includes the following 3 layer switch:

1. Access Switch

   It Provides switch that directly connected to user or workgroup. The main purpose of an access layer switch is to allow end user connect to network. This layer operates at Layer 2 switch. You can put non manageable switch in here. But Cisco Topology recommend catalyst 1900 series , catalyst 2960 series, catalyst 4000 series, catalyst 5000 series

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Have you ever heard Mikrotik ? Some of you maybe ever heard about it. For some of you that never hear about mikrotik routeror mikrotik routerboard, I will tell a little story about it.I’m very excited when I used this mikrotik routeros. Powerfull, one mikrotik routerboard has many function and also cheap less ! With that tools you can save a lot of money from your pocket. What is mikrotik can do for your network ?

First time I see it in Warnet (A little house which you can rent internet connection from it). When I talk to the admin, “What device that you use in this warnet ?”. “I use mikrotik” he said. He only use one PC as a to control 20 users. Hmm.. I feel curious and then I find information about it. What is mikrotik feature ? It can use as :

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Secara umum, terdapat tiga tipe kabel fiber optic, yaitu : single mode, multimode, dan plastic optical fiber (POF).

• Kabel single mode merupakan sebuah serat tunggal dari fiber glass yang memiliki diameter 8,3 hingga 10 micron. Satu micron besarnya sama dengan 1/250 tebal rambut manusia. Continue reading this post…

As a human, some times you forgot your DeepFreeze Password. But don’t worry you can reset your DF password now. In this post, I will share tips DeepFreeze version 5 password recovery.
To open a password Deep Freeze version 5, now you can try software called Deep Freeze Unfreezer. You could try looking at http://www.unfreezer.cjb.net/ or http://newsoftwarelist.com/utilities/deep-freeze-unfreezer or search on Google with keywords: Unfreezer.

Using it is very seimpe, just like using DeepFreeze. You just choose the Boot Froozen, Boot Thawed on Next or the Boot Thawed. Select only Boot Thawed, the Deep Freeze protection will be opened. (which opened DeepFreeze is not password protected)
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Backup your mikrotik routeros or you will get trouble. Imagine that your mikrotik routerboard has damage and your configuration has lost. Or your mikrotik routeros was corrupted. You just put your hand on your head and you will say this : Oh My God…

I will give some tips to backup your mikrotik configuration, manually or automatically.

1. MANUAL MIKROTIK BACKUP
   

   [admin@mikrotik] > system backup save name=mikrotik-backup
   Saving system configuration
   Configuration backup saved
   [admin@mikrotik] >
   

   Check your backup result with :
   

   [admin@mikrotik] > file print
   11 mikrotik-backup.backup backup 30496 sep/24/2009 14:19:53
   [admin@mikrotik] >
   

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